NEW BRITAIN —— The day Alexandra Pennell addressed an anti-hate rally at Central Connecticut State University about the anti-gay messages scrawled on her door, police had begun to question her claims. Twice the video surveillance system placed in Pennell's room to help police identify the person responsible for scrawling the notes had been disabled, in one case just before a note was slid under Pennell's dorm room door. Police say only after they set up a second camera in a hall closet — a camera that Pennell did not know about — did they learn the truth: Pennell had been...